226016503778 has 54 divisors (see below), whose sum is σ = 387733019427. Its totient is φ = 98752417920.

The previous prime is 226016503771. The next prime is 226016503847. The reversal of 226016503778 is 877305610622.

It can be written as a sum of positive squares in 5 ways, for example, as 265136089 + 225751367689 = 16283^2 + 475133^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=336167.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (226016503771) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 166065818 + ... + 166067178.

Almost surely, 2^226016503778 is an apocalyptic number.

226016503778 is a deficient number, since it is larger than the sum of its proper divisors (161716515649).

226016503778 is an equidigital number, since it uses as much as digits as its factorization.

226016503778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2788 (or 1395 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 226016503778 in words is "two hundred twenty-six billion, sixteen million, five hundred three thousand, seven hundred seventy-eight".